Question

What is the force between two small chargedspheres having charges of 2×10^-7 and 3×10^-7 placed 30 cm apart in air

Answer 1

Answer:

Explanation:

LET THE CHARGES BE

Q1=2*10^-7

Q2=3*10^-7

DISTANCE BETWEEN THEM=30 CM=30*10^-2

FORCE ACTING BETWEEN THEM,F=(1/4PI E0)*Q1*Q2/R²

WHERE 1/4 PI E0=9*10^9

F=9*10^9*2*3*10^-14/30*30*10^-4

F=6*10^-3 N

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